Ke kuhikuhi hoʻomohala: hoʻomohala ʻana a me ka hana ʻana o nā ʻāpana undercarriage no nā mea ʻeli waena a me nā nui.
Ka nānā ʻana i ka hoʻomohala ʻana: Kūpaʻa i ka hana ʻana o nā ʻāpana undercarriage excavator waena a me ka nui, a laila e hoʻomau mākou i ka hoʻomaikaʻi ʻana i nā ʻāpana chassis o nā hiʻohiʻona excavator waena a me ka nui, hoʻomaikaʻi i ka ʻenehana, hoʻomaikaʻi i nā kikoʻī, a hoʻokō i nā pono o nā mea kūʻai aku like ʻole. No ka hāʻawi ʻana i nā mea kūʻai aku me ke kūlana paʻa a me ke kumu kūʻai kūpono no nā ʻāpana undercarriage excavator waena a me ka nui.
I ka wā e hiki mai ana, e hoʻomau ʻo Heli i ka hana ikaika e hoʻomohala, e kālele ana i nā ʻāpana undercarriage o nā mīkini ʻeli waena a me nā mea nui --- "i hana ʻia ma Heli, nā ʻāpana undercarriage nui".